How Tweet It Is! Whether you’re using a Direct Link to Tweet – or to your Jewelry Design – a Direct Link is the best way to go. The S784BCZ - a bright Sterling Silver 8.9X4.6mm Bezel Link with a 4mm Black Cubic Zirconia – the closed rings on either side have a 1mm inside diameter hole. A sparkling way to link your jewelry pieces together. Finish your connections with our sterling silver jump rings.